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Unread 07-05-2015, 22:21
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asid61 asid61 is offline
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AKA: Anand Rajamani
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Re: Design Feedback?

Quote:
Originally Posted by SerpentEagle View Post
I understand, I think ill opt for a 2 plate design with frequent standoffs. As for the spool, the gear ratio is designed for a 2" diameter spool. It will be mounted almost right next to the plate of the gearbox, so correct me if I'm wrong, I don't think that that should be much of a concern. I have also started redesigning with a ~8.5:1 ratio; the math tells me its more that enough to lift 60+ lbs at ~56 in/sec with one RC, that's calculated with the fork assembly factored in too, and ~36 in/sec with a full 6 stack, and this is with two winch assemblies of course. All the tips I received are coming in really helpful, so I'm great full for that.
Friction is a thing. I calculated for our lift a total load of 120lbs, for 6 totes + RC, and that was too low. In the end I should have calculated with around 160lbs, because we were using a forklift style lifter. I think using a C-shaped chassis would change how much friction you have to account for.
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